https://pure.psu.edu/en/publications/whistle-while-you-work-toward-a-model-of-emotional-self-leadershi/
Whistle While You Work: Toward a Model of Emotional Self-Leadership - Penn State
whistle while you work
https://ipkitten.blogspot.com/2021/09/whistle-while-you-work-syncing-beyond.html
"Whistle While You Work": Syncing beyond the copyright system - The IPKat
The IPKat blog reports on copyright, patent, trade mark, info-tech and confidentiality issues from a mainly UK and European perspective.
whistle while you workthe copyrightsyncingbeyondsystem